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Planning application

26/00161/HSE

12 Birchwood Road Penylan Cardiff CF23 5LJ

Granted Cardiff Householder Planning Permission

Proposal

Rear dormer roof extension.

As published by the council, reference 26/00161/HSE

Timeline

Dates from the published record

  1. 27 Jan 2026

    Received by Cardiff

  2. 30 Mar 2026

    Decision issued: Permission Granted

  3. 22 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within five years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 26/01077/DOC Decided

    Part Of Land At 22 Brandreth Road Penylan Cardiff CF23 5NW

    Discharge of Condition 14 (Topsoil/Subsoil Investigation Scheme) of 18/01432/MNR

    26 May 2026 198m away Conditions
  • 26/01018/DOC Decided

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    Discharge of Conditon 3 (Arboricultural Method Statement and Tree Protection Plan) of 25/02382/HSE

    18 May 2026 213m away Conditions
  • 25/02382/HSE Awaiting decision

    Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

    Removal of existing store. Two storey side, rear and front extension with associated alterations.

    16 Oct 2025 213m away Householder
  • 26/00754/DOC Decided

    Isfryn 7 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

    Discharge of Condition 3 (Arboricultural Method Statement and Tree Protection Plan) of permission 24/01104/HSE

    16 Apr 2026 235m away Conditions
  • 25/02100/CLPUD Awaiting decision

    9 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

    Repair works to the rear extension including altering the guttering to run externally via a hopper and as indicated on drawing and connecting into existing drainage, and repair where the render has blown by means of recladding.

    15 Sep 2025 267m away Lawful development
  • 26/00968/HSE Granted

    1 Ennerdale Close Penylan Cardiff CF23 5NZ

    Replace conservatory and rear dining area roof with a single pitched roof and associated external alterations.

    13 May 2026 291m away Householder

In Cardiff

  • 26/00074/HSE Granted

    201 Pantbach Road Rhiwbina Cardiff CF14 6AE

    Side dormer roof extensions. Two storey gabled rear extension with first floor Juliette balcony and external alterations to the property.

    15 Jan 2026 Householder
  • 26/01047/HSE Granted

    39 James Court Trowbridge Cardiff CF3 0FA

    Single storey rear extension.

    21 May 2026 Householder
  • 26/01054/HSE Granted

    38 Heol Iscoed Rhiwbina Cardiff CF14 6PB

    First floor rear extension, single storey side extension, demolition of existing garage.

    21 May 2026 Householder
  • 26/01058/HSE Granted

    37 Ridgeway Lisvane Cardiff CF14 0RS

    Demolition of existing garage, and erection of a single storey rear/side extension.

    22 May 2026 Householder
  • 26/01044/HSE Granted

    102 Wenallt Road Rhiwbina Cardiff CF14 6TP

    Single storey rear extension.

    20 May 2026 Householder